49 lines
1.3 KiB
C
49 lines
1.3 KiB
C
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/*
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* Copyright 2022-2023 The OpenSSL Project Authors. All Rights Reserved.
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*
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* Licensed under the Apache License 2.0 (the "License"). You may not use
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* this file except in compliance with the License. You can obtain a copy
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* in the file LICENSE in the source distribution or at
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* https://www.openssl.org/source/license.html
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*/
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#include <errno.h>
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#include <openssl/err.h>
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#include "internal/time.h"
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OSSL_TIME ossl_time_now(void)
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{
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OSSL_TIME r;
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#if defined(_WIN32) && !defined(OPENSSL_SYS_UEFI)
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SYSTEMTIME st;
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union {
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unsigned __int64 ul;
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FILETIME ft;
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} now;
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GetSystemTime(&st);
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SystemTimeToFileTime(&st, &now.ft);
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/* re-bias to 1/1/1970 */
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# ifdef __MINGW32__
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now.ul -= 116444736000000000ULL;
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# else
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now.ul -= 116444736000000000UI64;
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# endif
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r.t = ((uint64_t)now.ul) * (OSSL_TIME_SECOND / 10000000);
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#else /* defined(_WIN32) */
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struct timeval t;
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if (gettimeofday(&t, NULL) < 0) {
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ERR_raise_data(ERR_LIB_SYS, get_last_sys_error(),
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"calling gettimeofday()");
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return ossl_time_zero();
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}
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if (t.tv_sec <= 0)
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r.t = t.tv_usec <= 0 ? 0 : t.tv_usec * OSSL_TIME_US;
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else
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r.t = ((uint64_t)t.tv_sec * 1000000 + t.tv_usec) * OSSL_TIME_US;
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#endif /* defined(_WIN32) */
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return r;
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}
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